EP0811438B1 - Dispositif de coupe et d'encochage pour des tôles perforées - Google Patents

Dispositif de coupe et d'encochage pour des tôles perforées Download PDF

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Publication number
EP0811438B1
EP0811438B1 EP97108833A EP97108833A EP0811438B1 EP 0811438 B1 EP0811438 B1 EP 0811438B1 EP 97108833 A EP97108833 A EP 97108833A EP 97108833 A EP97108833 A EP 97108833A EP 0811438 B1 EP0811438 B1 EP 0811438B1
Authority
EP
European Patent Office
Prior art keywords
splitting
ram
control
cutting
perforating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97108833A
Other languages
German (de)
English (en)
Other versions
EP0811438A2 (fr
EP0811438A3 (fr
Inventor
Robert Czapka
Hans-Peter Kienle
Alfred Bareis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
L Schuler GmbH
Original Assignee
L Schuler GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by L Schuler GmbH filed Critical L Schuler GmbH
Publication of EP0811438A2 publication Critical patent/EP0811438A2/fr
Publication of EP0811438A3 publication Critical patent/EP0811438A3/fr
Application granted granted Critical
Publication of EP0811438B1 publication Critical patent/EP0811438B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
    • B21D43/09—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D31/00—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • B26F1/405—Travelling head presses

Definitions

  • the invention relates to a separating and notching device for perforated sheets with the characteristics according to the preamble of claim 1.
  • Perforated sheets are widely used in numerous Industries used, namely as sieves and Filters in the food industry, mining and in gravel pits, as protective covers for phono devices, Construction and machine tools, as partitions and decorations, as components in household appliances Office furniture, in aircraft and in industrial construction.
  • non-ferrous metals, or material combinations in sheet thicknesses between-0.3 and 30 mm are basically two types of presses used, namely perforating wide presses to sheet with continuous or periodically interrupted hole patterns to manufacture in series from tape or sheet material, and strip presses to make single sheets, larger ones Sheet formats and thicknesses with individual hole patterns to manufacture.
  • the punches of the perforating device are in rows arranged transversely to the feed direction. You are in one Stamp holder led. A ram pushes the press them through a stamp guide plate and presses them through the sheet into corresponding holes in the Die. A scraper prevents the sheet from Withdrawing the stamp will stick to it. He is rigid or becomes out of phase with the pestle operated.
  • Separating and notching device can be arranged, the Sheets in different lengths in the longitudinal direction Pieces are separated and with special perforations or notches provides.
  • separation and Notching device can be set once Formats not while operating the Change perforating wide press.
  • a punching and notching machine is known (DE C1 33 12 233) in which a lower knife to different Upper knife can be adjusted in size. On Use with a perforating wide press is not here described.
  • the invention has for its object any Cutouts on the edge of the sheet or holes and To be able to make holes in the sheet itself. About that In addition, separating cuts should also be made in the feed direction to be possible.
  • stamps Stamp control unit assigned.
  • One or more Stamp control units are across the sheet width longitudinally displaceable and lockable in one Interface upper part held that at least the covering the entire sheet width. So everyone can Where a stamp control unit is mounted, Separating cuts in the feed direction of the sheet, Notches or special perforations are created if the stamp control units are controlled. There may also be no separate cutting frame necessary.
  • the splitting dies could possibly also directly or via other intermediate parts as a unit be connected to the ram.
  • stamp control units can over the sheet width distributed differently and individually different are controlled, e.g. B. electronically by a Microprocessor depending on a given or adaptive program or according to fuzzylogic or with neural networks. It may be appropriate to Stamp control units depending on the position to be controlled by control slides of the perforating device, around the notches and special holes to adapt selected hole patterns.
  • the stamp control units are activated, at the same time activated the split stamp, namely for one by the stamp control units in which the Split stamps are held vertically around a certain one Amount to be delivered so that the split stamp interact with the lower part of the tool, or to another by the effective length of the split punch two control strips on top of each other extended which is in the flow of force between the gap-stamp and the stamp control units.
  • a wide perforating press usually contains the following essential Assemblies, namely a perforating device 1, a Feed device 2, a separating and notching device 3, a pair of cutting scissors 4 and corresponding, not drive devices shown in more detail.
  • the Modules are mounted in a press body 5.
  • the feed device 2 comprises two pairs of feed rollers 6, each in front and behind the perforating device 1 are stored in the press body 5 and between which a sheet 39 gradually in time with the Press strokes promoted by the perforating wide press becomes.
  • the feed direction 7 and the stroke direction 16 are marked with arrows.
  • a press table 8 belongs to the perforating device 1, on which a die 9 by means of clamping devices 10 is attached.
  • a perforated plate 11 forms the upper one Part of the die 9, over which the sheet 39 is guided.
  • the perforated plate 11 and the die 9 have holes 12 and Bores 13 in the punch 15 during the perforation process intervene by removing 39 Punch out the corresponding sheet metal.
  • the stamps 15 are in a stamp holding plate 18 held longitudinally displaceable.
  • the stamp guide plate 17 guides the stamp 15 in Longitudinal direction and at the same time ensures that the Sheet 39 does not get stuck during the upward stroke. she can be rigid or as shown by a separate one Scraper drive 19 out of phase for ram movement be moved.
  • the stamp holding plate 18 is on a plunger 14 attached. This is from a not shown Eccentric drive driven and leads in cycles a lifting movement. Above the stamp 15 is a space 22 is provided in the plunger 14, in which the Stamp 15 can withdraw, provided they are not from a control device can be activated.
  • control device consists of one or more spools 20 which are transverse to Feed direction 7 can be moved into the free space 22 and the space between stamps to be activated 15 and fill in the plunger 14. So that the flow of power made between the plunger 14 and the punches 15, so that they can penetrate through the sheet 39.
  • the control spool (s) 20 are in one on the tappet 14 attached slide guide 21 out.
  • a stepper motor drives them via a sliding sleeve, a drive spindle, Pinion 27, 29, 31, a toothed belt 30 as well via a hollow shaft 32, a shaft 28 and a Rack 26 on.
  • control slides 20 If there are several control slides 20, then these are adjusted together by a drive; expediently, however, they are used by several Drives driven independently of each other.
  • the control slide 20 can in the feed direction 7 to be staggered and one overlap certain amount.
  • the stamp 15 are also arranged in staggered rows. So one can Control slide 20, the stamp 15 on one sheet side activate while the other spool 20 the stamp 15 activated on the other side of the sheet.
  • the number of the respective spool can 20 assigned stamps 15 identical or different, be symmetrical or asymmetrical.
  • a control slide 20 can also have several rows Stamp 15 can be assigned. By putting his forehead edge designed accordingly in the adjustment direction, e.g. B. bevels, can one or more stamps 15 of one Row activated in front of the stamps 15 of another row become.
  • the separation and Notching device 3 at the outlet of the perforating device 1 arranged.
  • the split tappet 34 is in a split tappet guide 46 out and via a pressure point 47 separately or from an eccentric shaft of the perforating device, not shown 1 via rocker arm and connecting rods a lifting movement 16 driven.
  • stamp control unit 36 On the stamp control unit 36 is by means of a Tool holder 48 attached a holding plate 38 in the split punch 35 are held longitudinally displaceable.
  • the holding plate 38 delimits an escape space 40 towards the bottom, while control strips are superimposed 41, 42 close off the escape space 40 at the top.
  • control strips 41, 42 support each other via latching steps 50, 51, which are active and one Allow inactive rest position if you have the control bars 41, 42 transverse to the stroke direction 16 and relative adjusted to each other.
  • 3 shows the right one Side of the display the inactive rest position.
  • the Splitting die 35 can recede into an escape space 40, the upper limit of the control bar 41 becomes, and thus remains inactive during the punching process.
  • the left side of Figure 3 shows the active rest position.
  • the control bar 41 fills the escape space 40 and is based on the control bar 42 on the Housing of the stamp control unit 36.
  • the split stamp 35 can not therefore retreat and is for the punching process is activated.
  • the control bar 41 is movable in the stroke direction 16 performed, while the control bar 42 across and relative to the control bar 41 from a double acting Hydraulic piston can be moved.
  • the control bars 41, 42 are by springs, not shown pressed together and released by hydraulic pressure.
  • the sheet 39 is one Plate 49, in which the split punches 35 are guided, guided vertically against the lower tool part 33.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Claims (11)

  1. Dispositif de coupe et d'encochage pour des tôles perforées (39), notamment dans une presse large à perforer dans laquelle un dispositif de perforation (1) est prévu dans un corps de presse (5) et où un dispositif d'avance (2) fait passer la tôle (39) progressivement par le dispositif de perforation (1) et par le dispositif de coupe et d'encochage (3) disposé avant ou après celui-ci,
    dans lequel le dispositif de coupe et d'encochage (3) présente une partie inférieure du bâti de coupe (23), suffisamment large par rapport à la largeur des tôles, avec une partie outil inférieure (33) et un coulisseau à fente (34) qui, lors d'une course, actionne un poinçon à fente (35) accouplé à la partie outil inférieure (33), caractérisé en ce qu'une partie supérieure du bâti de coupe (24) est reliée au coulisseau à fente (34), dans laquelle on a monté une ou plusieurs unités de commande de poinçonnage (36), mobiles longitudinalement sur la largeur des tôles et pouvant être bloquées, qui maintiennent et commandent le poinçon à fente (35), et dans lequel une chambre d'échappement (40) affectée à un des ponçons à fente (35) est limitée vers le haut par deux barres de commande superposées (41, 42), mobiles l'une par rapport à l'autre et pouvant occuper différentes positions de crantage avec différentes encoches, et génère le flux de force entre le poinçon à fente (35) et l'unité de commande de poinçonnage (36).
  2. Dispositif selon la revendication 1, caractérisé en ce que les unités de commande de poinçonnage (36) sont montées dans des rainures de guidage en T (44) dans la partie supérieure du bâti de coupe (24) et sont maintenues au moyen de dispositifs de serrage hydrauliques (45).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le poinçon à fente (35) est maintenu dans une platine (38) limitant vers le bas la chambre d'échappement (40) dans l'unité de commande de poinçonnage (36), l'extension de la chambre dans le sens de la course (16) étant réglable.
  4. Dispositif selon la revendication 1, caractérisé en ce que la barre de commande (41) du côté du poinçon à fente (35) est montée dans la direction de la course, tandis que l'autre barre de commande (42) peut être réglée obliquement au moyen d'un piston hydraulique (43) à double effet.
  5. Dispositif selon l'une des revendications précédentes, caractérisé en ce que plusieurs poinçons à fente (35) sont rassemblés dans une unité de commande de poinçonnage (36).
  6. Dispositif selon l'une des revendications précédentes, caractérisé en ce que la barre de commande inférieure (41) est en contact avec la barre supérieure (42) sous l'effet de la force élastique et est soulevée au moyen d'une pression hydraulique avant que la barre de commande supérieure (42) soit réglée.
  7. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les barres de commande (41, 42) sont commandées électroniquement indépendamment l'une de l'autre selon un programme.
  8. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les unités de commande (41, 42) sont commandées en fonction de la position des coulisses de commande (20) dans le dispositif de perforation (1).
  9. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'un arbre d'excentrique de la presse à perforer large entraíne le coulisseau à fente (34) par l'intermédiaire de leviers oscillants et de bielles.
  10. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les unités de commande de poinçonnage (36) peuvent être avancées verticalement selon des valeurs définies.
  11. Dispositif selon l'un des revendications précédentes, caractérisé en ce que la partie supérieure du bâti de coupe (24) est montée face à la partie inférieure du bâti de coupe (23) au moyen d'une glissière du bâti de coupe (25).
EP97108833A 1996-06-07 1997-06-03 Dispositif de coupe et d'encochage pour des tôles perforées Expired - Lifetime EP0811438B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19622844A DE19622844A1 (de) 1996-06-07 1996-06-07 Trenn- und Ausklinkvorrichtung für perforierte Bleche
DE19622844 1996-06-07

Publications (3)

Publication Number Publication Date
EP0811438A2 EP0811438A2 (fr) 1997-12-10
EP0811438A3 EP0811438A3 (fr) 1998-03-11
EP0811438B1 true EP0811438B1 (fr) 2000-08-16

Family

ID=7796369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97108833A Expired - Lifetime EP0811438B1 (fr) 1996-06-07 1997-06-03 Dispositif de coupe et d'encochage pour des tôles perforées

Country Status (3)

Country Link
EP (1) EP0811438B1 (fr)
DE (2) DE19622844A1 (fr)
ES (1) ES2150721T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004017019A1 (de) * 2004-04-02 2005-10-20 Volkswagen Ag Verfahren und Vorrichtung zum Schneiden eines Bleches

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006009569B3 (de) * 2006-02-28 2007-02-15 Daimlerchrysler Ag Vorrichtung und Verfahren zum Beschneiden von blechförmigem Material oder eines blechförmigen Bauteils
CN104139123A (zh) * 2013-05-10 2014-11-12 佛山市顺德区精锻机械制造实业有限公司 冲床自动送料装置
CN103909141B (zh) * 2014-04-09 2017-08-25 宁波敏实汽车零部件技术研发有限公司 一种汽车b柱盖板滚压在线切断装置
CN105921573B (zh) * 2016-06-29 2018-08-10 常熟市杜尼电子有限责任公司 超声波发生器微型喇叭高精度自动化生产装置
BE1030006B1 (nl) * 2021-12-10 2023-07-10 Soenen Tech Nv Plaathouder voor perforatiepers en werkwijze voor verplaatsen van plaathouder

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9419403U1 (de) * 1993-12-17 1995-02-09 Felsner Franz Werkzeugsystem II

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2540422B1 (fr) * 1983-02-07 1986-12-12 Merlin Gerin Dispositif de poinconnage flexible a commande numerique

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9419403U1 (de) * 1993-12-17 1995-02-09 Felsner Franz Werkzeugsystem II

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004017019A1 (de) * 2004-04-02 2005-10-20 Volkswagen Ag Verfahren und Vorrichtung zum Schneiden eines Bleches

Also Published As

Publication number Publication date
ES2150721T3 (es) 2000-12-01
EP0811438A2 (fr) 1997-12-10
EP0811438A3 (fr) 1998-03-11
DE19622844A1 (de) 1997-12-11
DE59702181D1 (de) 2000-09-21

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